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• How to present a stable data model in a public API that allows internal data structures to be changed without breaking the public view of the data?

  - by Max Palmer

  I am in the process of developing an application that allows users to write C# scripts. These scripts allow users to call selected methods and to access and manipulate data in a document. This works well, however, in the development version, scripts access the document's (internal) data structures directly. This means that if we were to change the internal data model/structure, there is a good chance that someone's script will no longer compile. We obviously want to prevent this breaking change from happening, but still want to allow the user to write sensible C# code (whilst not restricting how we develop our internal data model as a result). We therefore need to decouple our scripting API and its data structures from our internal methods and data structures. We've a few ideas as to how we might allow the user to access a what is effectively a stable public version of the document's internal data*, but I wanted to throw the question out there to someone who might have some real experience of this problem. NB our internal document's data structure is quite complex and it could be quite difficult to wrap. We know we want to expose as little as possible in our public API, especially as once it's out there, it's out there for good. Can anyone help? How do scripting languages / APIs decouple their public API and data structures from their internal data structures? Is there no real alternative to having to write a complex interaction layer? If we need to do this, what's a good approach or pattern for wrapping complex data structures that include nested objects, including collections? I've looked at the API facade pattern, which looks like it's trying to address these kinds of issues, but are there alternatives? *One idea is to build a data facade that is kept stable across versions of our application. The facade exposes a set of facade data objects that are used in the script code. These maintain backwards compatibility and wrap access to our internal document's data model.

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• The Fantastic New WebLogic on Oracle Database Appliance 2.9 Release is Here!

  - by JuergenKress

  Last week was a big day in virtualised ODA-land as it saw the launch of WebLogic on ODA 2.9. Admittedly it doesn't sound like a very exciting release but it is one that we at O-box have been looking forward to for quite some time. Let me explain why, then we'll look into the details... The ODA X4-2 has 48 Intel Xeon cores. That is a lot of compute power. Whilst the largest O-box SOA Appliance single environment configuration can in theory use all those cores (currently with 40 vCPU of SOA!) the vast majority of O-box users will want smaller configurations. Prior to 2.9 the Oracle WebLogic implementation only supported one domain per ODA, so the conundrum O-box development faced last year was either: offer customers only one SOA environment on their O-box for now (but have the benefit of a standard, easily supportable WebLogic installation), or build our own WebLogic/OTD OVM templates from scratch. One of our driving goals with O-box is to give the best possible experience and make the appliance as supportable as possible. Therefore we took the gamble that we would stick with the Oracle's one-domain WebLogic configuration initially, and just hope that it would deliver multi-domain support for us in a timely manner (note: this is probably not a strategy that business textbooks would recommend!). Anyway, we've been working closely with Oracle Product Management for a few months now and I'm delighted to see 2.9 as the fruits of their labour. This also neatly ties in with several recent requests for O-box to include OSB as well as SOA/BPEL (which we have always wanted to have in separate domains). The diagram below is the neatest way to summarise what the new 2.9 release will allow us to deliver, i.e. previously only one 3D box was possible: Read the complete article here. WebLogic Partner Community For regular information become a member in the WebLogic Partner Community please visit: http://www.oracle.com/partners/goto/wls-emea ( OPN account required). If you need support with your account please contact the Oracle Partner Business Center. Blog Twitter LinkedIn Mix Forum Wiki Technorati Tags: oBox,WebLogic on ODA,ODA,WebLogic,WebLogic Community,Oracle,OPN,Jürgen Kress

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• How do I install kivy?

  - by aspasia

  I was trying to install Kivy (by following the instructions here). I downloaded and installed all packages where the installation process went through without giving me any errors. However, when later I enter below command; sudo easy_install kivy It looked like it was going to work but it ends with an error by displaying following lines, which I don't comprehend: Detected compiler is unix /tmp/easy_install-BtOA_u/Kivy-1.8.0/kivy/graphics/texture.c:8:22: fatal error: pyconfig.h: No such file or directory #include "pyconfig.h" ^ compilation terminated. error: Setup script exited with error: command 'x86_64-linux-gnu-gcc' failed with exit status 1 I saw a similar question asked as; Problem with kivy installation. However, this didn't work for me though the question suggests installing libgles-mesa-dev-lts-raring which I did as below; sudo apt-get install libgles-mesa-dev-lts-raring which then gave below; E: Unable to locate package libgles-mesa-dev-lts-raring (sorry for being so specific and perhaps obvious, but I'm in the early stage of learning my way around linux). This user was running Ubuntu 12.04, and most other questions related to this I've seen came from people with a different release from mine, which has led me to believe that that is the reason why the suggestions to those didn't solve my problem. I'm using Ubuntu 13.10

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• xkb layouts not working (in KDE?) after upgrade from Ubuntu 9.10 to 10.04

  - by Alan

  I customised my keyboard layout in 9.10 by editing the appropriate /usr/share/X11/xkb/symbols/ file. After upgrading to 10.04 I noticed it had overwritten all my modifications, so I recovered the layout and overwrote the symbol file's base entry. Sadly KDE (and, presumably, the entire OS) seems to ignore the files altogether. The help files don't mention anything about modifying layouts anyway (and the layout switcher seems to be using setxkbmap, which uses the above path according to its man page), so I'm at a bit of a loss. Do I need to compile this into some other format somehow or how do I get it to work?

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• Watch a Machine Get Upgraded from MS-DOS to Windows 7 [Video]

  - by ETC

  What happens if you try to upgrade a machine from MS-DOS to Windows 7? One curious geek ran the experiment using VMWare and recorded the whole, surprisingly fluid, ride for our enjoyment. Andrew Tait was curious, what would happen if you followed the entire upgrade arc for Windows from the 1980s to the present all on one machine? Thanks to VMWare he was able to find out, following the upgrade path all the way from MS-DOS to Windows 7. Check out the video below to see what happens: Chain of Fools: Upgrading Through Every Version of Windows [YouTube via WinRumors] Latest Features How-To Geek ETC Learn To Adjust Contrast Like a Pro in Photoshop, GIMP, and Paint.NET Have You Ever Wondered How Your Operating System Got Its Name? Should You Delete Windows 7 Service Pack Backup Files to Save Space? What Can Super Mario Teach Us About Graphics Technology? Windows 7 Service Pack 1 is Released: But Should You Install It? How To Make Hundreds of Complex Photo Edits in Seconds With Photoshop Actions Access and Manage Your Ubuntu One Account in Chrome and Iron Mouse Over YouTube Previews YouTube Videos in Chrome Watch a Machine Get Upgraded from MS-DOS to Windows 7 [Video] Bring the Whole Ubuntu Gang Home to Your Desktop with this Mascots Wallpaper Hack Apart a Highlighter to Create UV-Reactive Flowers [Science] Add a “Textmate Style” Lightweight Text Editor with Dropbox Syncing to Chrome and Iron

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• Mobile Phone Browser Emulators/Simulators

  - by Jessie

  I work in QA in a .NET shop and recently part of my testing process has started to involve testing our company website on mobile devices. At least one of our techs uses an HTC Desire. After tons of googling I still can't find a good online emulator for testing websites on different types of mobile devices. Is anyone aware of a website that I can test across multiple mobile platforms? Or even an online HTC or Blackberry browser emulator? I've found an iphone/opera mini simulator, but that's about it. Also, I realize there are a lot of SDK's that include emulators, but I'd rather not have to set up an entire SDK just to use an emulator.

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• How to install pecl uploadprogress on Debian Lenny

  - by kidrobot

  I am getting this output/error for # pecl install uploadprogress downloading uploadprogress-1.0.1.tgz ... Starting to download uploadprogress-1.0.1.tgz (8,536 bytes) .....done: 8,536 bytes 4 source files, building running: phpize Configuring for: PHP Api Version: 20041225 Zend Module Api No: 20060613 Zend Extension Api No: 220060519 building in /var/tmp/pear-build-root/uploadprogress-1.0.1 running: /tmp/pear/temp/uploadprogress/configure checking for grep that handles long lines and -e... /bin/grep checking for egrep... /bin/grep -E checking for a sed that does not truncate output... /bin/sed checking for gcc... no checking for cc... no checking for cl.exe... no configure: error: no acceptable C compiler found in $PATH See `config.log' for more details. ERROR: `/tmp/pear/temp/uploadprogress/configure' failed php-pear is installed. I'm stumped.

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• Diablo 3 "freezes" periodically

  - by Shauna

  I'm running Diablo 3 (start edition, digital download) on the following: Ubuntu 12.04 64-bit (stock Unity, Gnome, etc; kernel version 3.2.0-29-generic) Wine version 1.5.11 (base, from Wine's PPA, game started with setarch i386 -3) Intel i7 920 CPU nVidia GTX260 with driver version 295.49 ("post-release updates" entry within the proprietary drivers tool), dual monitors 6GB RAM Every so often (and what appears to be at random), the game video will freeze up. I can still move the mouse, and it reacts to ctrl+alt+f2 to drop into text mode, but I can't get back to the desktop (which means I can check terminal to see what's going on after launching from terminal, especially since even in windowed mode, the secondary screen gets shut off by the game), and I can't continue to play the game. In order to get it running again, I have to restart lightdm, then relaunch the game (or, in a couple of rare cases, I had to restart the computer entirely, because running sudo service lightdmn [stop/start] doesn't appear to react). Turning down the video settings seems to have helped in some cases, but not all of them. Times it's frozen on me: The beginning of The Fallen Start quest part 6 - kill the Wretched Mother, right as you walk out of New Tristram and engage in the monsters on the northern path (repeatedly froze here until I adjusted the graphics down) Within the cinematic/event upon finding Deckard Cain While fighting the skeletons to protect Deckard Cain When about to enter Leoric's passage after Cain sends you back to where you found him That's as far as I've gotten through the game so far. Additionally, this doesn't happen on other games I play and seems to only occur with Diablo 3. Has anyone else run into this issue and know a possible cause or fix, or at least know where I can look (and what to look for) to figure out why this is happening?

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• Script to list current user's mapped network drives

  - by Dmart

  I have a Windows XP/ Server 2003 environment here users have mapped different network drives themselves using arbitrary drive letters. Some of these users do not know how to tell the true UNC path of these drives, and I would like to be able to run a script or program to query those drives and show me the drive letters and the corresponding UNC paths. I would like to see output like "net use" in that user's context so that I can see what drives THEY have mapped. I would need to do this using my own admin account, which is where the difficulty lies. I understand this information would be stored in the HKCU registry? I would love to be able to do this in Powershell, but a vbscript or even a standalone executable would do. Thanks.

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• Why is my vhosts file interfering with my apache deployment?

  - by Avery Chan

  When I enable my vhosts file (i.e. uncomment this line: Include /private/etc/apache2/extra/httpd-vhosts.conf) I am unable to reach localhost. I /am/ able to reach the last virtual host listed in my vhosts file: <VirtualHost *:80> DocumentRoot "/Users/achan/Sites/epwbst" ServerName epwbst </VirtualHost> <VirtualHost *:80> DocumentRoot "/Users/achan/Sites/pxproj" ServerName pxproj </VirtualHost> Typing pxproj in my browser brings up the expected web content. But I am unable to reach epwbst or localhost. If I re-comment the vhost line in my httpd.conf, I am able to reach local host (i.e. "It works!") but obviously am unable to reach my virtual hosts. I don't know how to continue troubleshooting this. Why can't I reach localhost when I've got my vhosts turned on? OS: Mac OS X 10.7 Server version: Apache/2.2.21 (Unix)

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• What's a good entity hierarchy for a 2D game?

  - by futlib

  I'm in the process of building a new 2D game out of some code I wrote a while ago. The object hierarchy for entities is like this: Scene (e.g. MainMenu): Contains multiple entities and delegates update()/draw() to each Entity: Base class for all things in a scene (e.g. MenuItem or Alien) Sprite: Base class for all entities that just draw a texture, i.e. don't have their own drawing logic Does it make sense to split up entities and sprites up like that? I think in a 2D game, the terms entity and sprite are somewhat synonymous, right? But I do believe that I need some base class for entities that just draw a texture, as opposed to drawing themselves, to avoid duplication. Most entities are like that. One weird case is my Text class: It derives from Sprite, which accepts either the path of an image or an already loaded texture in its constructor. Text loads a texture in its constructor and passes that to Sprite. Can you outline a design that makes more sense? Or point me to a good object-oriented reference code base for a 2D game? I could only find 3D engine code bases of decent code quality, e.g. Doom 3 and HPL1Engine.

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• A Simple Solution For NetBeans RCP Apps That Need A Groovy Editor

  - by Geertjan

  Take a look at Nils Hoffmann's metabolomic analyzer, especially at the Groovy editor contained within it: Obviously, it would be cool if the Groovy editor in the app above were to have syntax coloring and other editor features helpful in coding Groovy. However, as I showed in If You Include the Groovy Editor, there are multiple dependencies that the NetBeans Groovy support has on other modules that would be completely superfluous in the above application, while they'd make the app much heavier than it is, simply because of all the Groovy dependencies. But today I thought of a simple solution. Why not take the Groovy.g file (i.e., the ANTLR definition), such as this one [though that's probably not the most up to date one, wondering how to find the most up to date one] and then apply the content of this screencast (made by me) to the Groovy.g file: Within a few minutes, you should end up with Groovy syntax coloring. OK, so that's not a full blown Groovy editor, but syntax coloring is surely a cool thing to have in the app with which this blog entry started? Sure, this means creating a new Groovy editor from scratch. But the point is that doing so can be very simple, i.e., the syntax coloring can simply be generated via the simple instructions above. I'm going to try it myself in the next few days, but would be cool if others out there would try this too!

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• Nokia backup on a Mac

  - by Shyam

  Hi there! As I have to bring my phone to a shop for repair, I want to backup my contacts, calenders and text-messages. My Nokia connects perfectly through Bluetooth with iSync. One baddy, however is that text-messages are nowhere to be found or for the matter of fact, impossible to backup from the phone using iSync. Is there a graceful, free application for Mac that would be able to backup (and later restore) the messages on my phone? The worst possible scenario would include me to write a script that uses the Hayes command set and kermit-ize all SMS's (hundreds at least), so a nice click-and-play solution would be nice to know about. I don't consider applications like Parallel/CrossOver as a solution, as PC Suite is quite buggy with those (which does have the functionality to backup SMS and e-mail). Many thanks!

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• Slave/secondary DNS nameserver

  - by user114671

  I'm learning about DNS and have a very basic, generic question about DNS but I can't find an answer anywhere. I have DNS for a few domains set up as follows: - master records with DNS company A - slave records with DNS company B Company A's nameservers are: ns1.companyA.com. ns2.companyA.com. ns3.companyA.com. ns4.companyA.com. ns5.companyA.com. and company B has three slaves: ns6.companyB.com. ns7.companyB.com. ns8.companyB.com. Everything works fine transferring the records between the nameservers and keeping them in sync. But my question is: The registrar of my domain example.com allows me to choose 4 nameservers only. Do I just pick the first 4 for company A, or do I need to include 1 or more of company B's slave nameservers too?

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• CodePlex Daily Summary for Sunday, December 16, 2012

  CodePlex Daily Summary for Sunday, December 16, 2012Popular Releasessb0t v.5: sb0t 5.02 beta: Look for the folder which allows you to import old sb0t (4.xx) filter files. Added "userobj.visible" property to check if a linked user is visible on the user list. Fixed the #admins command. Fixed the RestoreAvatar() method. Added obfuscation salt database. This is the first BETA release of sb0t 5 as I feel that most of the debugging is now completed. So thanks to anyone who helped find problems, and if you find any new bugs let me know.Electricity, Gas and Temperature Monitoring with Netduino Plus: V1.0.1 Netduino Plus Monitoring: This is the first stable release from the Netduino Plus Monitoring program. Bugfixing The code is enhanced at some places in respect to the V0.6.1 version There is a possibility to add multiple S0 meters Website for realtime display of data Website for configuring the Netduino Comments are welcome! Additions will not be made to this version. This is the last Netduino Plus V1 release. The new development will take place with the Netduino Plus V2 development board in mind. New features...Media.Net: 0.3: Whats new for Media.Net 0.3: New Icon New WMA support New WMV support New Fullscreen support Minor Bug Fix's, improvements and speed upsCRM 2011 Visual Ribbon Editor: Visual Ribbon Editor (1.3.1116.8): [FIX] Fixed issue not displaying CRM system button images correctly (incorrect path in file VisualRibbonEditor.exe.config)My Expenses Windows Store LOB App Demo: My Expenses Version 1: This is version 1 of the MyExpenses Windows 8 line of business demo app. The app is written in XAML and C#. It calls a WCF service that works with a SQL Server database. The app uses the Callisto toolkit. You can get it at https://github.com/timheuer/callisto. The Expenses.sql file contains the SQL to create the Expenses database. The ExpensesWCFService.zip file contains the WCF service, also written in C#. You should create a WCF service. Create an Entity Framework model and point it to...BlackJumboDog: Ver5.7.4: 2012.12.13 Ver5.7.4 (1)Web???????、???????????????????????????????????????????VFPX: ssClasses A1.0: My initial release. See https://vfpx.codeplex.com/wikipage?title=ssClasses&referringTitle=Home for a brief description of what is inside this releaseLayered Architecture Solution Guidance (LASG): LASG 1.0.0.8 for Visual Studio 2012: PRE-REQUISITES Open GAX (Please install Oct 4, 2012 version) Microsoft® System CLR Types for Microsoft® SQL Server® 2012 Microsoft® SQL Server® 2012 Shared Management Objects Microsoft Enterprise Library 5.0 (for the generated code) Windows Azure SDK (for layered cloud applications) Silverlight 5 SDK (for Silverlight applications) THE RELEASE This release only works on Visual Studio 2012. Known Issue If you choose the Database project, the solution unfolding time will be slow....Fiskalizacija za developere: FiskalizacijaDev 2.0: Prva prava produkcijska verzija - Zakon je tu, ova je verzija uskladena sa trenutno važecom Tehnickom specifikacijom (v1.2. od 04.12.2012.) i spremna je za produkcijsko korištenje. Verzije iza ove ce ovisiti o naknadnim izmjenama Zakona i/ili Tehnicke specifikacije, odnosno, o eventualnim greškama u radu/zahtjevima community-a za novim feature-ima. Novosti u v2.0 su: - That assembly does not allow partially trusted callers (http://fiskalizacija.codeplex.com/workitem/699) - scheme IznosType...Bootstrap Helpers: Version 1: First releaseContact Us Module: Contact Us Module 1.2: This is an alpha version 1.1, It has two ways to handles the Contact Us informations which feedback by users. If the Contact Us List is exist, save the informations to List ; If the Contact Us List is not exist, send the information to an Email address. I will improve its function constantly.GoBibleCreator USFM Preprocessor: GoBibleCreator USFM Preprocessor Version 2.4.3.8: Version 2.4.3.8WebQQ Interface: A simple AI program: This program is a automatic qq chating robotsheetengine - Isometric HTML5 JavaScript Display Engine: sheetengine v1.2.0: Main featuresOptimizations for intersectionsThe main purpose of this release was to further optimize rendering performance by skipping object intersections with other sheets. From now by default an object's sheets will only intersect its own sheets and never other static or dynamic sheets. This is the usual scenario since objects will never bump into other sheets when using collision detection. DocumentationMany of you have been asking for proper documentation, so here it goes. Check out the...DirectX Tool Kit: December 11, 2012: December 11, 2012 Ex versions of DDSTextureLoader and WICTextureLoader Removed use of ATL's CComPtr in favor of WRL's ComPtr for all platforms to support VS Express editions Updated VS 2010 project for official 'property sheet' integration for Windows 8.0 SDK Minor fix to CommonStates for Feature Level 9.1 Tweaked AlphaTestEffect.cpp to work around ARM NEON compiler codegen bug Added dxguid.lib as a default library for Debug builds to resolve GUID link issuesArcGIS Editor for OpenStreetMap: ArcGIS Editor for OSM 2.1 Final for 10.1: We are proud to announce the release of ArcGIS Editor for OpenStreetMap version 2.1. This download is compatible with ArcGIS 10.1, and includes setups for the Desktop Component, Desktop Component when 64 bit Background Geoprocessing is installed, and the Server Component. Important: if you already have ArcGIS Editor for OSM installed but want to install this new version, you will need to uninstall your previous version and then install this one. This release includes support for the ArcGIS 1...SharpCompress - a fully native C# library for RAR, 7Zip, Zip, Tar, GZip, BZip2: SharpCompress 0.8.2: This release just contains some fixes that have been done since the last release. Plus, this is strong named as well. I apologize for the lack of updates but my free time is less these days.Sharepoint Blog Archive Web Part: ArchiveBlog.wsp: To install the web part use the powershell: Add-SPSolution -LiteralPath "disk:\path\ArchiveBlog.wsp" Install-SPSolution -Identity TagCloud.wsp -GACDeployment -web http://urlCoding4Fun Kinect Service: Coding4Fun Kinect Service v1.6: Requires Kinect for Windows SDK v1.6 WinRT clients! There are native Windows Runtime Components, so use the proper architecture(s) for your project: x86, x64 and/or ARMMedia Companion: MediaCompanion3.511b release: Two more bug fixes: - General Preferences were not getting restored - Fanart and poster image files were being locked, preventing changes to themNew Projects.NET Gallery: Do you want to implement a gallery in your web application? This is the easiest way! This gallery does not use database or external technologies.BigEgg's Core: Contains all the BigEgg's WPF Framework, MEF Log Assemblies and WPF Skins.BootStrap vs ZenGarden Css: BootStrap vs ZenGarden CssChurch CRM - Affiliation: The Congregations Relationship management Suite is a suite of tools designed to provide web based services and organizational tools geared toward online Congregation and Church resource management and social interaction. Church CRM - Domain Management: The Congregations Relationship management Suite is a suite of tools designed to provide web based services and organizational tools geared toward online Congregation and Church resource management and social interaction. Church CRM - Donations: The Congregations Relationship management Suite is a suite of tools designed to provide web based services and organizational tools geared toward online Congregation and Church resource management and social interaction. Church CRM - Sermons: The Congregations Relationship management Suite is a suite of tools designed to provide web based services and organizational tools geared toward online Congregation and Church resource management and social interaction. Church CRM - Statements: The Congregations Relationship management Suite is a suite of tools designed to provide web based services and organizational tools geared toward online Congregation and Church resource management and social interaction. CollectionClass: Collection ClassCRM 2011 Navigation UI Record Counter: This solution allows you to display the total number of active records related to the current record on the left hand navigation pane.DContainer: DContainer is a common dependency injection adapter for the popular IoC container.e-ecommerce: - Emy - Emy projetoiOrasis: iOrasis plugin libraryManage upload files for SP 2010: The feature is responsible for management uploading file size using file extensions (i.e: .txt), control upload document into library and attachments for lists.Ring Controls: new UI components with the ring for windows phone.RollDesktop: My RollDesktopSky - Site Listing Module: The Congregations Relationship management Suite is a suite of tools designed to provide web based services and organizational tools geared toward online Congregation and Church resource management and social interaction. TSJEPublisher: kilooooombo!!!!Twitter image Downloader: Download a Twitter users imagesWacht minder in A - AppsForAntwerp: Mashup of Antwerp open data with foursquare on Windows Phone.WebNext: My personal web page on ASP.NET MVC 3 & SQL ServerWifi Host n Chat: This program lets you create WiFi Hotspot on supported hardware and software. All this in small size under a megabyte.Witchcraft OS: Witchcraft OS is an Operating System written in C# using COSMOS. Witchcraft provides a bunch of High-End features, e.g. Multilanguage-Support, ACPI etc.

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• The Exceptional EXCEPT clause

  - by steveh99999

  Ok, I exaggerate, but it can be useful… I came across some ‘poorly-written’ stored procedures on a SQL server recently, that were using sp_xml_preparedocument. Unfortunately these procs were  not properly removing the memory allocated to XML structures – ie they were not subsequently calling sp_xml_removedocument… I needed a quick way of identifying on the server how many stored procedures this affected.. Here’s what I used.. EXEC sp_msforeachdb 'USE ? SELECT DB_NAME(),OBJECT_NAME(s1.id) FROM syscomments s1 WHERE [text] LIKE ''%sp_xml_preparedocument%'' EXCEPT SELECT DB_NAME(),OBJECT_NAME(s2.id) FROM syscomments s2 WHERE [text] LIKE ''%sp_xml_removedocument%'' ‘ There’s three nice features about the code above… 1. It uses sp_msforeachdb. There’s a nice blog on this statement here 2. It uses the EXCEPT clause.  So in the above query I get all the procedures which include the sp_xml_preparedocument string, but by using the EXCEPT clause I remove all the procedures which contain sp_xml_removedocument.  Read more about EXCEPT here 3. It can be used to quickly identify incorrect usage of sp_xml_preparedocument. Read more about this here The above query isn’t perfect – I’m not properly parsing the SQL text to ignore comments for example - but for the quick analysis I needed to perform, it was just the job…

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• SharePoint Unit Testing and Load Testing Finally?

  - by Kit Ong

  It has always been a real pain to incorporate extensive SharePoint Unit Testing and Load Testing in a project, could Visual Studio 2012 finally make this easier? It certaining looks like it, here's a brief overview on SharePoint support in Visual Studio 2012. Load testing – We now support load testing for SharePoint out of the box. This is more involved than you might imagine due to how dynamic SharePoint is. You can’t just record a script and play it back – it won’t work because SharePoint generates and expects dynamic data (like GUIDs). We’ve built the extensions to our load testing solution to parse the dynamic SharePoint data and include it appropriately in subsequent requests. So now you can record a script and play it back and we will dynamically adjust it to match what SharePoint expects.Unit testing – One of the big problems with unit testing SharePoint is that most code requires SharePoint to be running and trying to run tests against a live SharePoint instance is a pain. So we’ve built a SharePoint “emulator” using our new VS 2012 Fakes & Stubs capability. This will make unit testing of SharePoint components WAY easier.Read more in the link belowhttp://blogs.msdn.com/b/bharry/archive/2012/09/12/visual-studio-update-this-fall.aspx

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• How to install rgdal on Ubuntu 12.10?

  - by radek

  I'm strugling to install rgdal library on Ubuntu 12.10. Installation from within R results in error: Error: gdal-config not found The gdal-config script distributed with GDAL could not be found. If you have not installed the GDAL libraries, you can download the source from http://www.gdal.org/ If you have installed the GDAL libraries, then make sure that gdal-config is in your path. Try typing gdal-config at a shell prompt and see if it runs. If not, use: --configure-args='--with-gdal-config=/usr/local/bin/gdal-config' with appropriate values for your installation. ERROR: configuration failed for package ‘rgdal’ * removing ‘/home/rdk/R/x86_64-pc-linux-gnu-library/2.15/rgdal’ Warning in install.packages : installation of package ‘rgdal’ had non-zero exit status R-sig-Geo, this two SE questions and other websites pointed me to the requirements of libgdal1-dev. But when I tried sudo apt-get install libgdal1-dev I end up with another error message Some packages could not be installed. This may mean that you have requested an impossible situation or if you are using the unstable distribution that some required packages have not yet been created or been moved out of Incoming. The following information may help to resolve the situation: The following packages have unmet dependencies: libgdal1-dev : Depends: libgdal-dev but it is not going to be installed E: Unable to correct problems, you have held broken packages. Again - when I try to install libgdal-dev another dependencies error shows up The following packages have unmet dependencies: libgdal-dev : Depends: libgeos-dev but it is not going to be installed Depends: libspatialite-dev but it is not going to be installed Again trying libgeos-dev gives message: Depends: libgeos-c1 (= 3.3.3-1.1) but 3.3.3-2~precise2 is to be installed E: Unable to correct problems, you have held broken packages. and libspatialite-dev: Depends: libspatialite3 (= 3.1.0~rc2-1ubuntu1) but 3.1.0~rc2-2~precise1 is to be installed Is there any way to tame those dependencies and have rgdal running in Ubuntu? My sessionInfo() R version 2.15.1 (2012-06-22) Platform: x86_64-pc-linux-gnu (64-bit)

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• JDK bug migration: bugs.sun.com now backed by JIRA

  - by darcy

  The JDK bug migration from a Sun legacy system to JIRA has reached another planned milestone: the data displayed on bugs.sun.com is now backed by JIRA rather than by the legacy system. Besides maintaining the URLs to old bugs, bugs filed since the migration to JIRA are now visible too. The basic information presented about a bug is the same as before, but reformatted and using JIRA terminology: Instead of a "category", a bug now has a "component / subcomponent" classification. As outlined previously, part of the migration effort was reclassifying bugs according to a new classification scheme; I'll write more about the new scheme in a subsequent blog post. Instead of a list of JDK versions a bug is "reported against," there is a list of "affected versions." The names of the JDK versions have largely been regularized; code names like "tiger" and "mantis" have been replaced by the release numbers like "5.0" and "1.4.2". Instead of "release fixed," there are now "Fixed Versions." The legacy system had many fields that could hold a sequence of text entries, including "Description," "Workaround", and "Evaluation." JIRA instead only has two analogous fields labeled as "Description" and a unified stream of "Comments." Nearly coincident with switching to JIRA, we also enabled an agent which automatically updates a JIRA issue in response to pushes into JDK-related Hg repositories. These comments include the changeset URL, the user making the push, and a time stamp. These comments are first added when a fix is pushed to a team integration repository and then added again when the fix is pushed into the master repository for a release. We're still in early days of production usage of JIRA for JDK bug tracking, but the transition to production went smoothly and over 1,000 new issues have already been filed. Many other facets of the migration are still in the works, including hosting new incidents filed at bugs.sun.com in a tailored incidents project in JIRA.

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• How can I bind a custom color to WPF toolkit ColorPicker? [on hold]

  - by tube-builder

  I need to bind the SelectedColor property of ColorPicker to a custom color which is not present in available colors. I created a simple test to show my problem. My xaml: <xctk:ColorPicker SelectedColor="{Binding Path=Test}"></xctk:ColorPicker> Code behind (CurrentStyle.PenColor returns an integer value which equals 13109765): public Color Test { get; set; } public MyClass() { DataContext = this; Test = Color.FromArgb((byte)((CurrentStyle.PenColor >> 24) & 0xFF), (byte)((CurrentStyle.PenColor >> 16) & 0xFF), (byte)((CurrentStyle.PenColor >> 8) & 0xFF), (byte)(CurrentStyle.PenColor & 0xFF)); InitializeComponent(); } And that's how my ColorPicker looks like when the window is loaded (I don't have enough rep to post images so it's just links): http://s22.postimg.org/frzh2fgy9/image.png Though, when I go to Advanced colors I can see that the color has been recognized and set correctly. Here is a pic: http://s13.postimg.org/gjv4cmy07/image.png Hope for your help. Thanks a lot! EDIT I implemented INotifyPropertyChanged, still to no avail. Here's the code: public Color Test { get { return test; } set { if (test != value) { test = value; OnPropertyChanged("Test"); } } } public event PropertyChangedEventHandler PropertyChanged; protected void OnPropertyChanged(string prop) { if (this.PropertyChanged != null) this.PropertyChanged(this, new PropertyChangedEventArgs(prop)); } Maybe I'm doing smth wrong here.

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• JavaOne Latin America Keynotes

  - by Tori Wieldt

  The JavaOne Latin America keynotes will provide a blend of information from Oracle's top Java engineers and leaders from the Java community. Oracle has lined up leaders in Java development and the Java community has put togehter their own mix of Java champions to share their insights with you. Don’t miss what they have to say! In the Java Strategy and Technical Keynote on Tuesday, you'll get a glimpse of the future and the vast opportunities Java makes possible from these Oracle experts: Judson Althoff, Senior Vice President, Worldwide Alliances and Channels and Embedded Sales Nandini Ramani, Vice President of Engineering, Java Client and Mobile Platforms Georges Saab, Vice President of Development Henrik Stahl, Senior Director, Product Management Simon Ritter, Java Technology Evangelist Terrence Barr, Senior Technologist JavaOne Latin America with close with the popular Java Community Keynote on Thursday. You'll hear from members of Latin America's vibrant Java community. They'll sharing amazing developer stories and demo cool projects--and have some fun along the way. The Duke's Choice Award ceremony will be included as well. Speakers include: Fabiane Nardon, Computer Scientist and Java Champion Vinícius Senger, Founder, Globalcode Yara Senger, President, SouJava and Java Champion Bruno Souza, Founder, SouJava and Java Champion JavaOne Latin America is the event of the year for Java developers—and you have to be there. Learn new skills. Get answers. Make new friends and connections. JavaOne Latin America will in São Paulo, 4-6 December 2012 at the Transamerica Expo Center. There's still time to register!  Para mais informações ou inscrição ligue para (11) 2875-4163. 

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• How to make a btrfs snapshot?

  - by MountainX

  My /home partition consists of an entire physical disk. It is formatted as btrfs. I want to snapshot it. I'm confused regarding subvolume naming, in particular. I am aware that there are similar questions, but each similar question seems to be asking something different from what I'm asking (and they are older, which means probably outdated, given the rapid development of btrfs). For example, the answer to this question is apparently not the answer to my question because my /home partition is a separate volume and the man page for btrfs shows a different command for creating snapshots now. another similar problem, no solid solution. someone else as confused as me on the naming issues My question: Starting simple: is this the correct command to take a simple snapshot of my home partition? btrfs subvolume snapshot /home/@home /home/@home_snapshot_20120421 I got really brave and tested it and it does not work. The error is error accessing /home/@home. As shown below, @home is listed. I'm obviously confused on subvolume names. Do I need to use them in creating snapshots? Some examples show taking snapshots of home using /home as the source parameter, but based on examples of root volumes, it seems to me that I need to use /home/@home. Would this command work? And if not, why? btrfs subvolume snapshot /home /home/@home_snapshot_20120421 Is the @ just a naming convention? Is it meaningful at all? Here's some output that may be relevant: btrfs subvolume list /home ID 256 top level 5 path @home I'm not sure what that means, exactly. When I try btrfs device scan it gives an error (e.g. unable to scan the device /dev/sda1). My file system doesn't have any errors. Everything is fine.

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• Problem with sound driver

  - by JiminP

  I had problem that sound had lag in Flash. (Other than that, there was no problem.) On the internet, I found that installing OSS4 might help me. So I installed OSS4, but there was some problems (no sound on Flash, and couldn't use function key on the laptop - which is quite annoying), so I try to remove OSS4 and re-installing sound modules. After some mess-up, the whole sound was gone. I used Ubuntu for a year, but I don't know how to use the terminal well (All I know is basic commands like sudo, ls, or apt-get).. Now I'm trying to recover by following instructions at this page, but I have some problems... :( When I try to follow instructions: sudo aplay -l finds no sound drivers. find /lib/modules/'uname -r' | grep snd (backtick changed to ' due to code markup) returns nothing. When I try to do sudo apt-get install linux-restricted-modules-'uname -r' linux-generic, it says that it can't find linux-restricted-modules-3.0.0-13-generic package. lspci -v | grep -A7 -i "audio" returns this, which doesn't contain anything about the name of the driver. Writing sudo modprobe sn and pressing tab twice only returns sudo modprobe sn9c102. sudo aptitude --purge reinstall linux-sound-base alsa-base alsa-utils linux-image-'uname -r' linux-ubuntu-modules-'uname -r' libasound2 returns this, and didn't change non of above. sudo apt-get install linux-alsa-driver-modules-$(uname -r) fails because it can't find the package linux-alsa-driver-modules-3.0.0-13-generic. Compiling ALSA driver doesn't work. When I try to make, it says that /lib/modules/3.0.0-13-generic/build/include/linux/modversions.h doesn't exist. I'm using Ubuntu 11.10. Can anyone help me? I can re-install Ubuntu, but I don't want to....

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• Hypertransport sync flood error

  - by Carl B

  What is it? And what causes it? Is it only for uncorrectable DIMM Errors(Troubleshooting DIMM errors)? When an UCE occurs, the memory controller causes an immediate reboot of the system. During reboot, the BIOS checks the Machine Check registers and determines that the previous reboot was due to an UCE, then reports this in POST after the memtest stage: A Hypertransport Sync Flood occurred on last boot 3 BIOS reports this event in the service processor’s system event log (SEL) as shown in the sample IPMItool output There are what seems to be some suggested answers to include Bad Caps Bios verisons (happens in one version not the other) Graphics card issues Lack of power to the CPU The list of possible generators seems to target everything but the computer case. System Specs: Windows Home Premium 64 Motherboard - MSI790FX-GD70 (MS7577) / Bios v 1.9 (American Megatrensa Inc) Ram - Patriot G Series ‘Sector 5’ Edition 4GB DDR3 1600 CPU - AMD Phenom II X2 555 Black Edition Callisto 3.2GHz Socket AM3 80W (Note: unlocked 2 cores CPU Z ids it as phenom II x4 B55) Graphics - 2 x Radeon 5750 in crossfire PSU - ABS 900w HDDs - 2 Seagate 1.5 TB Sata SSD - 1 OCZ 120 GB Vertex Plus R2

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• Roaming profile location not updating

  - by Greg

  We have roaming profiles enabled for some users. We want to move some of them over to a new network share. We have copied the files to the location (using Windows backup so that permissions are retained) and we've changed the location in active directory (see screenshot 1). When the user logs in to windows 8 their documents folders still points to the old server (server names removed from the picture but you can see the path is different). The user has logged off and logged back on, and has also run GP update (followed by a shutdown/restart) What do I need to do to make Windows 8 recognise the change?

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